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Join your community in documenting biodiversity during the 10th anniversary of the City Nature Challenge! City Nature Challenge is a yearly event for folks in cities all over the world to observe and

The City Nature Challenge is a yearly event for folks in cities all over the world to observe and document biodiversity in their own backyards. To participate, people make observations of any organism

Join your community in documenting biodiversity during the City Nature Challenge! Having started as a friendly competition in California, the global challenge, now in its 9th year, has grown to

As the days grow longer and warmer, we start looking for the telltale signs that spring is arriving – birds chirping, trees leafing out, lilac buds, bulbs emerging out of the damp soil. As you observe

Are you interested in becoming a citizen scientist? We need your help this summer observing plant species along the High Line Canal (training dates are in May and June). Bioblitzes are short, focused

Q: What do you get when you set loose over three dozen passionate biologists who study animals, plants, and fungi in a nearly pristine ranch in Southeast Colorado for a 24 hour period? A: A BIOBLITZ

Denver Botanic Gardens staff were among the thirty-six scientists who donated their time in the first Soapstone Prairie Natural Area Bioblitz, surveying all species in a 24-hour period. Ten scientist